What kind of socket shall be provided for window type air conditioner with cooling capacity upto 18000 BTU/hr
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in HT service 3ph 4 wire service Y-phase voltage shows zero . whether it is meter fault? or what be the reason ? if y-ph voltage zero ,can current is recorded? reasons for failure?
why ferranti efect occurs on no load only?
The exciting current of a transformer is non sinusoidal. why?
what is called star connection and delta connection also purpose of this connections?
How to calcualte the total number of cells required for particular UPS of some X KVA with 3 and 5 hours back-up?
Why battery chargers are use in substation?
what is transformer?
we need a ntpc previous papers
What is GIS Substation and how it operate? where these type of substation installed?
sir,i am swati. i am goin to gv jspl exam on 21st nov'10. iwant previous year question paper. plz help me out. my emailid is firstname.lastname@example.org
How many earthings are required for motors?
In siemens S7-300 PLC, what is function and function block ? What is the difference between them ? When to use function and when to use function block ?